State which of the following are equations with a variable. In case of an equation with a variable, identify the variable. (i) 17 + x = 5 (ii) 2b − 3 = 7 (iii) (y - 7) 5 (iv) (v) 7 × 3 − 19 = 2 (vi) 5 × 4 − 8 = 3t (vii) 2p 15 (viii) 7 = 11 × 5 − 12 × 4 (ix)

Question

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(i) 17 + x = 5 is an equation with variable x. (ii) 2b − 3 = 7 is an equation with variable b. (iii) (y - 7) 5 is not an equation (it is an inequality). (iv) is not an equation with variable. (v) 7 × 3 − 19 = 2 is not an equation with a variable. (vi) 5 × 4 − 8 = 3t is an equation with variable t. (vii) 2p 15 is not an equation (it is an inequality). (viii) 7 = 11 × 5 − 12 × 4 is not an equation with a variable. (ix) is an equation with variable q.

Mathematics

State which of the following are equations with a variable. In case of an equation with a variable, identify the variable. (i) 17 + x = 5 (ii) 2b − 3 = 7 (iii) (y - 7) 5 (iv) (v) 7 × 3 − 19 = 2 (vi) 5 × 4 − 8 = 3t (vii) 2p 15 (viii) 7 = 11 × 5 − 12 × 4 (ix)

Simple Equations

Related Questions

If m = 1, n = 2 and p = 3, find the value of: 2mn⁴ - 15m²n - p

For x = 5 and y = 2, verify the following:
(i) (x + y)² = x² + 2xy + y²
(ii) (x - y)² = x² - 2xy + y²
(iii) x² - y² = (x + y)(x - y)
(iv) (x + y)² = (x - y)² + 4xy
(v) (x + y)³ = x³ + y³ + 3x²y + 3xy²

Mathematics

State which of the following are equations with a variable. In case of an equation with a variable, identify the variable. (i) 17 + x = 5 (ii) 2b − 3 = 7 (iii) (y - 7) 5 (iv) (v) 7 × 3 − 19 = 2 (vi) 5 × 4 − 8 = 3t (vii) 2p 15 (viii) 7 = 11 × 5 − 12 × 4 (ix)

Simple Equations

Related Questions

If m = 1, n = 2 and p = 3, find the value of: 2mn4 - 15m2n - p

For x = 5 and y = 2, verify the following:(i) (x + y)2 = x2 + 2xy + y2(ii) (x - y)2 = x2 - 2xy + y2(iii) x2 - y2 = (x + y)(x - y)(iv) (x + y)2 = (x - y)2 + 4xy(v) (x + y)3 = x3 + y3 + 3x2y + 3xy2

If m = 1, n = 2 and p = 3, find the value of: 2mn⁴ - 15m²n - p

For x = 5 and y = 2, verify the following:
(i) (x + y)² = x² + 2xy + y²
(ii) (x - y)² = x² - 2xy + y²
(iii) x² - y² = (x + y)(x - y)
(iv) (x + y)² = (x - y)² + 4xy
(v) (x + y)³ = x³ + y³ + 3x²y + 3xy²