Two different ways of solving the expression 20 = 5(-3 + x) are given below :
To solve the expression : 20 = 5(−3 + x)
METHOD 1 :
20 = 5(−3 + X)
Expand by opening the bracket
20 = - 15 + 5x
Collect like terms
20 + 15 = 5x
35 = 5x
Isolate x by dividing through by 5
35/5 = 5x/5
x = 35 /5
x = 7
METHOD 2:
20 = 5(−3 + x)
Divide both sides by 5
20/5 = 5(−3 + x) / 5
4 = - 3 + x
Collect like terms
4 + 3 = x
x = 7
Using any of the two solution steps gives the same final answer.
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