7(a+5)=10[a-(8-7)]

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Solution for 7(a+5)=10[a-(8-7)] equation:


Simplifying
7(a + 5) = 10[a + -1(8 + -7)]

Reorder the terms:
7(5 + a) = 10[a + -1(8 + -7)]
(5 * 7 + a * 7) = 10[a + -1(8 + -7)]
(35 + 7a) = 10[a + -1(8 + -7)]

Combine like terms: 8 + -7 = 1
35 + 7a = 10[a + -1(1)]

Multiply -1 * 1
35 + 7a = 10[a + -1]

Reorder the terms:
35 + 7a = 10[-1 + a]
35 + 7a = [-1 * 10 + a * 10]
35 + 7a = [-10 + 10a]

Solving
35 + 7a = -10 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
35 + 7a + -10a = -10 + 10a + -10a

Combine like terms: 7a + -10a = -3a
35 + -3a = -10 + 10a + -10a

Combine like terms: 10a + -10a = 0
35 + -3a = -10 + 0
35 + -3a = -10

Add '-35' to each side of the equation.
35 + -35 + -3a = -10 + -35

Combine like terms: 35 + -35 = 0
0 + -3a = -10 + -35
-3a = -10 + -35

Combine like terms: -10 + -35 = -45
-3a = -45

Divide each side by '-3'.
a = 15

Simplifying
a = 15

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