-3(t+9)+7(2t+8)=10(t+2)+7

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Solution for -3(t+9)+7(2t+8)=10(t+2)+7 equation:


Simplifying
-3(t + 9) + 7(2t + 8) = 10(t + 2) + 7

Reorder the terms:
-3(9 + t) + 7(2t + 8) = 10(t + 2) + 7
(9 * -3 + t * -3) + 7(2t + 8) = 10(t + 2) + 7
(-27 + -3t) + 7(2t + 8) = 10(t + 2) + 7

Reorder the terms:
-27 + -3t + 7(8 + 2t) = 10(t + 2) + 7
-27 + -3t + (8 * 7 + 2t * 7) = 10(t + 2) + 7
-27 + -3t + (56 + 14t) = 10(t + 2) + 7

Reorder the terms:
-27 + 56 + -3t + 14t = 10(t + 2) + 7

Combine like terms: -27 + 56 = 29
29 + -3t + 14t = 10(t + 2) + 7

Combine like terms: -3t + 14t = 11t
29 + 11t = 10(t + 2) + 7

Reorder the terms:
29 + 11t = 10(2 + t) + 7
29 + 11t = (2 * 10 + t * 10) + 7
29 + 11t = (20 + 10t) + 7

Reorder the terms:
29 + 11t = 20 + 7 + 10t

Combine like terms: 20 + 7 = 27
29 + 11t = 27 + 10t

Solving
29 + 11t = 27 + 10t

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-10t' to each side of the equation.
29 + 11t + -10t = 27 + 10t + -10t

Combine like terms: 11t + -10t = 1t
29 + 1t = 27 + 10t + -10t

Combine like terms: 10t + -10t = 0
29 + 1t = 27 + 0
29 + 1t = 27

Add '-29' to each side of the equation.
29 + -29 + 1t = 27 + -29

Combine like terms: 29 + -29 = 0
0 + 1t = 27 + -29
1t = 27 + -29

Combine like terms: 27 + -29 = -2
1t = -2

Divide each side by '1'.
t = -2

Simplifying
t = -2

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